There's currently no information on what other changes (if any) are included in the update

As is usually the case with OTA roll outs, it may take some time for the update to hit your device. Meanwhile, if you feel impatient, you can manually check for it by heading to your handset's Settings menu.

Not really, those come out like clockwork and GSM ARENA should stop reporting those. They do not alter anything except security features. It's a non story
(Btw I dont know why I'm replying to you, you are probably a bot. Nobody would call a secu...